105 lines
3.6 KiB
Java
105 lines
3.6 KiB
Java
/*
|
|
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @bug 8014374
|
|
* @summary Test basic CipherInputStream/OutputStream func w/ GCM mode.
|
|
* @author Valerie Peng
|
|
* @key randomness
|
|
*/
|
|
|
|
import java.security.*;
|
|
import javax.crypto.*;
|
|
import javax.crypto.spec.*;
|
|
import java.math.*;
|
|
import java.io.*;
|
|
|
|
import java.util.*;
|
|
|
|
public class TestCICOWithGCM extends UcryptoTest {
|
|
public static void main(String[] args) throws Exception {
|
|
main(new TestCICOWithGCM(), null);
|
|
}
|
|
|
|
public void doTest(Provider p) throws Exception {
|
|
// check if GCM support exists
|
|
try {
|
|
Cipher.getInstance("AES/GCM/NoPadding", p);
|
|
} catch (NoSuchAlgorithmException nsae) {
|
|
System.out.println("Skipping Test due to no GCM support");
|
|
return;
|
|
}
|
|
|
|
Random rdm = new Random();
|
|
|
|
//init Secret Key
|
|
byte[] keyValue = new byte[16];
|
|
rdm.nextBytes(keyValue);
|
|
SecretKey key = new SecretKeySpec(keyValue, "AES");
|
|
|
|
//do initialization of the plainText
|
|
byte[] plainText = new byte[800];
|
|
rdm.nextBytes(plainText);
|
|
|
|
//init ciphers
|
|
Cipher encCipher = Cipher.getInstance("AES/GCM/NoPadding", p);
|
|
encCipher.init(Cipher.ENCRYPT_MODE, key);
|
|
Cipher decCipher = Cipher.getInstance("AES/GCM/NoPadding", p);
|
|
decCipher.init(Cipher.DECRYPT_MODE, key, encCipher.getParameters());
|
|
|
|
//init cipher streams
|
|
ByteArrayInputStream baInput = new ByteArrayInputStream(plainText);
|
|
CipherInputStream ciInput = new CipherInputStream(baInput, encCipher);
|
|
ByteArrayOutputStream baOutput = new ByteArrayOutputStream();
|
|
CipherOutputStream ciOutput = new CipherOutputStream(baOutput, decCipher);
|
|
|
|
//do test
|
|
byte[] buffer = new byte[800];
|
|
int len = ciInput.read(buffer);
|
|
System.out.println("read " + len + " bytes from input buffer");
|
|
|
|
while (len != -1) {
|
|
ciOutput.write(buffer, 0, len);
|
|
System.out.println("wite " + len + " bytes to output buffer");
|
|
len = ciInput.read(buffer);
|
|
if (len != -1) {
|
|
System.out.println("read " + len + " bytes from input buffer");
|
|
} else {
|
|
System.out.println("finished reading");
|
|
}
|
|
}
|
|
|
|
ciOutput.flush();
|
|
ciInput.close();
|
|
ciOutput.close();
|
|
byte[] recovered = baOutput.toByteArray();
|
|
System.out.println("recovered " + recovered.length + " bytes");
|
|
if (!Arrays.equals(plainText, recovered)) {
|
|
throw new RuntimeException("diff check failed!");
|
|
} else {
|
|
System.out.println("diff check passed");
|
|
}
|
|
}
|
|
}
|